Question

explain terai????? with Mercy

Answer 1

The Terai (Hindi: तराई Nepali: तराइ) is a lowland region in southern Nepal and northern India that lies south of the outer foothills of the Himalayas, the Siwalik Hills, and north of the Indo-Gangetic Plain.

Answer 2

small rivers and streams flow underground through Bhaber and reappear in lower areas and form a Swan p and marshy region called terai
hope it helps
by the way
all the best for your exam tommorow;)